package tienda.servlet;

import java.io.IOException;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import tienda.modelo.Persona;
import tienda.negocio.GestionarPersona;

/**
 * Servlet implementation class LoginServlet
 */
@WebServlet("/LoginServlet")
public class LoginServlet extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public LoginServlet() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		HttpSession session = request.getSession();
		String cerrar = request.getParameter("cerrar");
		if (cerrar.compareTo("si")==0){
			session.invalidate();
		}
		RequestDispatcher rd = request.getRequestDispatcher("index.jsp");
		rd.forward(request, response);
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		HttpSession session = request.getSession();
		String codUsuario = request.getParameter("codUsuario");
		String contrasena = request.getParameter("contrasena");
		
		GestionarPersona negoPersona = new GestionarPersona();
		Persona usuario;
		
		RequestDispatcher rd = request.getRequestDispatcher("index.jsp");
		
		try {
			usuario=negoPersona.validarLogin(codUsuario, contrasena);
			session.setAttribute("usuario", usuario);
			
		} catch (Exception e) {
			request.setAttribute("error", e.getMessage());	
		}
		rd.forward(request, response);
		
		
	}

}
